On highway construction quality management

[Abstract] This article tries to highway Engineering practice, how to attach importance to the construction site laboratory, attention to on-site follow-up inspection to improve the quality of design, etc. were discussed.

[Keywords] road works, construction quality

Highway design standards and Engineering high quality requirements, must pay attention to and strengthen the highway construction site in the project quality management from improving the quality of full awareness, attention to the construction site laboratory, attention to on-site follow-up inspection, the quality of reward and punishment and take effective measures to improve the design quality and other aspects greater emphasis on the quality of highway construction site management.

A highway project should give priority to the quality of construction
Highway construction, there are a number of highways, but also the quality of the highway. Success is the quality of road construction, the number of quality is not the number of failures, so speeding up the highway road network construction, quality is the key, quality to produce results. Highway Quality depends primarily on the construction process of quality control, quality of management of the construction process from project start to completion of the entire process of project quality control quality management functions, according to technical standards, process documents, design and construction technical requirements of the various factors affecting the quality of construction of the concrete implementation of control programs to ensure the completion of construction projects conform to design intent and quality specifications. Speed ​​up road construction must be to ensure the quality of the premise of a scientific attitude, truth-seeking and pragmatic spirit, conscientious and meticulous work style guarantee the quality of the round, the whole process of management, in order to effectively ensure the quality of highway construction.

2 Construction Surveying
Highway construction from survey design to construction of the building is a complex process, while construction of the building reflects the design intent, construction survey is an important means to achieve this goal one.

Construction survey includes pre-construction preparation phase, construction phase roadbed and structures, the middle hand over the acceptance stage in the pre-construction preparation stage to do the following homework: read and understand the tenders, browse a full set of construction plans, inspection drawings are complete, familiar Engineering drawings and related data, entered the construction site, representatives from the building, supervising engineer, designer and construction unit composed of measurement and control measurement results and measuring the transfer of control of the pile group, the control points on the measurement plane and elevation control points field transfer, to confirm the pile point measurement and control, soundness and stability, to confirm the accuracy of the control point level control piles of encryption, the pile of checks in line with the red line for land restoration and recovery, the cross-section retest. During the construction phase, we must first bridge, culvert and other channel structures to detect the coordinates of the loft carefully reviewed carefully calculated to eliminate errors before the loft, and then have to sign and acknowledge the use of wire and the standard point location field testing of its achievements to determine the correct loft, followed on the route in the pile, groove, to measure the pile toe, high fill depth is a measure of cutting lots of focus, to a certain stage of construction, the line should be measured in its side pile, and roadbed width meets the design requirements, the construction unit of work measurement personnel to regularly carry out third, of the hidden works and to measure changes in the number of projects. The results of this work a great impact on the amount of earthwork, construction costs directly related.

Completion Acceptance of the projects are in the middle of the implementation of the corresponding acceptance criteria, the earth embankment, the midline deviation, roadbed cross section and elevation of various points on the left and right width of the detection of the focus, whether the control point elevation of each well, the error is meet regulatory requirements related to the thickness of pavement layers of the structure is guaranteed, the elevation of the test should be carefully carried out, where the error exceeds regulatory requirements, corrective measures to be taken in the application before the formal acceptance, as the construction unit of measurement must self-test pass, and submit the self-test data.

3 assay
Reference test for detection of the current highway projects, management practices, the construction process of test is divided into: construction unit self-supervision and supervision units sampling units sampling, but in actual operation because of the following problems, and makes the project quality inspection depth and detection capabilities are not scheduled to meet the requirements.

Management of highway construction Technology as an important part of the road test for detection work is the completion of highway construction quality control and acceptance of assessment work in the indispensable key to, the work can be detected by tests that utilize local raw materials in order to save a lot of raw materials, transportation costs, and conducive to new materials, new processes and new technologies in the project to promote the application of quantitative methods available materials and components of quality of scientific assessment, and ultimately make an objective evaluation of the quality of the project, thus strengthening the road test for detection work to improve the quality of roads has a very real sense.

Project started, first check the steel, cement, asphalt, lime, gravel and other raw materials, quality materials, quality, use of substandard materials can not be admitted. Earnestly roadbed earthwork compaction test, good road base, asphalt surface layer of mixture compaction test to determine the best mixture gradation and maximum dry density, good cement concrete pavement mix design and other pre-trial of the project. the focus of the project site, hidden works attendant testing, next to the site supervision. that unqualified parts firm reinvent the wheel, to ensure project quality as the project quality inspection is an effective means, test should be highly valued. prohibit the blind rule of thumb construction, adhere to the test data to speak, quality supervision agencies should regularly test data to carry out tests of anti-counterfeiting activities, establish a perfect quality assurance system and highway Engineering qualification test for detection of a certain organization is to improve the quality of an important part of highway construction, but also a high quality road Engineering tests detection Technology team, implement certificates. configure more advanced detection equipment, road works, gradually increase the testing organizations test test test capabilities, to make it better for engineering services.

4 Safety Management
Construction site safety management is the most important construction site construction workers due to the complexity, project construction period, the operating environment is poor, multi-hazard during construction, operations personnel, security awareness bottom side. Then the systematic management of the construction site will be imperative. Links to free download http://www.hi138.com 4.1 good construction safety risk management
According to the characteristics of the project, good construction safety risk management, the project construction process to identify hazards, analyze, evaluate risk in the future to take the necessary control measures for major hazard, through the development and implementation of occupational health security objectives, management programs and preventive measures to eliminate or reduce risk. identify potential events or emergencies, develop contingency plans (or contingency plans to prevent and reduce the possibility of injury and illness ignited.

4.2 set up first-class safety management team
Establish and improve the safety assurance system, vertical in the end build a company security, supervision and management of horizontal-to-edge network to use an effective mechanism to give full play to the role of institutions responsible for managing the Security management institutions and their supervision systems complement each other, around the company's production and management principles to work In the production of command and execution system in accordance with their different duties, divided into "decision-making," "Management", "action level" at three different levels of interaction between the operating mechanism of the formation of government decrees, running order, work effective safety management and Information systems.

4.3 The creation of standardized construction site safety management system
Construction site safety management system including safety assurance system and security monitoring system, security assurance system is a very important part of the command team of the Ministry of Construction Project, the project leader must be primarily responsible for construction safety. To insist on who is in charge, who organized Who is responsible for the principle of all levels of management and professional and technical personnel in the organization of work, not only to raise the quality and time requirements, but also to ensure the safety of construction safety measures, and construction safety. Supervision system is mainly full-time safety engineer construction units of self-examination and supervision and the mass of the Authority, together with government oversight agencies, the owners of units, supervising engineer of the supervision and inspection, a complete security monitoring system.

5 computers in the use of project quality management
In a market economy, enterprises must rely on the survival and development to improve their management level, active use of modern management methods, the ongoing management of change. As highway construction equipment management business introduction of computer integrated management system to improve the management level has become an inevitable trend. With the rapid development of Information network Technology and popularization of Information Technology on the role of the enterprise network into a new level, and to promote highway construction business and management processes of rationalization, the rapid development of the Internet highway construction management to provide a management Information and management opportunity for change, and Information management for construction have a significant impact.

5.1 Construction of information network use
Network tentacles extended to all construction units to improve overall information management, information management and the formation of top-down organic whole, so that the various departments to share the latest information within the data, the rapid increase in the exchange between and through the server and maintenance companies, construction companies, construction materials, plant and remote communication unit. planning network management and control centers, network management platform provide a good and effective network management system.

5.2 the use of construction management software construction process control
Use project management system software, and all branches are equipped with a set of project management software construction units through the software development project construction plans, at the aggregate level by level, the formation of the overall construction plan with the overall construction plan, managers can make effective communication between the same time between each branch managers can work together to make the manager's experience and ideas effectively to guide the construction of which is conducive to improving the quality of construction and to ensure project completed efficiently.

6 Conclusion
"Long-term, quality first," Quality is the eternal theme of construction, quality is life of the project, is an industry's life as a road construction company in the construction to be constantly sum up experience, to ways of improving the quality of the project measures to study and adopt new technologies, new materials, new processes,
Efforts to improve the quality of the project, to the fierce competition in the market in an invincible position.


References:
[1] Hou Jiansheng, <<Highway Engineering Quality Supervision Methods of >>,<< Shanxi Architecture "34 May 2008, Volume 15
[2] Liu Lu hair, Wang Lei, <<Highway Engineering Quality Management I see >>,<< Science and Technology Information>> 2009 35 Links to free download http://www.hi138.com